Introductory Concepts

  • Orazio Svelto


In this introductory chapter, the fundamental processes and the main ideas behind laser operation are introduced in a very simple way. The properties of laser beams are also briefly discussed. The main purpose of this chapter is thus to introduce the reader to many of the concepts that will be discussed in the following chapters, and therefore help the reader to appreciate the logical organization of the book.


Spontaneous Emission Population Inversion Lower Laser Level Spatial Coherence Coherence Time 


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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Orazio Svelto
    • 1
  1. 1.Polytechnic Institute of Milan and National Research CouncilMilanItaly

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